topside: Meaning and Definition of

top•side

1. the upper side.
2. Usually,the outer surface of a hull above the water.
3. the most authoritative position or level.
4. a cut of beef similar to a U.S. rump roast. Cf. silverside (def. 1).
5. the top or outer side of a round of beef; beef from the outer thigh of a butchered cow.

1. of, pertaining to, or located on the topside.
2. of the most authoritative rank.

1. up on the deck: He left the engine room and went topside.
2. to, toward, or at the topside.